We've searched the internet and found the largest collection of On30 Scale trains for sale is on eBay. Below are the listings for 'bachmann trains'.

On30 WISEMAN MODEL SERVICES 1890s GILPIN STYLE BACHMANN SHAY CONVERSION KIT
On30 WISEMAN MODEL SERVICES 1890s GILPIN STYLE BACHMANN SHAY CONVERSION KIT
$119.95
Time Remaining: 9d 9h 54m
Buy It Now for only: $119.95
ON30 Spectrum Billboard Reefer Rohrbachs Brewing 27482 Freight Car
ON30 Spectrum Billboard Reefer Rohrbachs Brewing 27482 Freight Car
$89.00
Time Remaining: 24d 11h 34m
Buy It Now for only: $89.00
ON30 Spectrum Billboard Reefer John Harvards 27467 Freight Car
ON30 Spectrum Billboard Reefer John Harvards 27467 Freight Car
$54.99
Time Remaining: 24d 11h 49m
Buy It Now for only: $54.99
Spectrum On30 Freight Cars Billboard Reefer John Harvards Brewhouse
Spectrum On30 Freight Cars Billboard Reefer John Harvards Brewhouse
$55.93
Time Remaining: 27d 14h 5m
Buy It Now for only: $55.93
Bachmann On30 Scale Train Set Analog Norman RockwellS American Christmas 25023
Bachmann On30 Scale Train Set Analog Norman RockwellS American Christmas 25023
$276.45
Time Remaining: 29d 18h 3m
Buy It Now for only: $276.45
Bachmann On30 Scale Train Tank Car Tank Car DS Fire Suppression 27122
Bachmann On30 Scale Train Tank Car Tank Car DS Fire Suppression 27122
$45.16
Time Remaining: 29d 18h 5m
Buy It Now for only: $45.16

Other On30 Scale train items recently purchased through this site:

On30 WISEMAN MODEL SERVICES 1890s GILPIN STYLE BACHMANN SHAY CONVERSION KIT
Bachmann On30 Scale Train Set Analog Norman RockwellS American Christmas 25023
Bachmann On30 Scale Train Tank Car Tank Car DS Fire Suppression 27122
ON30 Spectrum Billboard Reefer Rohrbachs Brewing 27482 Freight Car
ON30 Spectrum Billboard Reefer John Harvards 27467 Freight Car
Spectrum On30 Freight Cars Billboard Reefer John Harvards Brewhouse